from debian:stable-slim RUN apt-get update && apt-get install --no-install-recommends -y python3-all python3-dev python3-pip python3-venv build-essential git && apt-get clean && rm -fr rm -rf /var/lib/apt/lists/* RUN pip install -U pytest pylint pylint-junit flake8 flake8-junit-report junitparser pyupgrade pyupgrade-directories black black-junit isort